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Genetic Drift

View a brief video lecture on genetic drift and how it works. The concept is illustrated in a discussion of northern elephant seals, their genetic and natural history, the founder effect they experienced, and their current status. Then study a selection of websites about genetic drift. Finally, complete an essay assignment.

Video: Genetic Drift

Websites

Random Genetic Drift
http://www.talkorigins.org/faqs/genetic-drift.html

Evolution 101: Genetic Drift
http://evolution.berkeley.edu/evosite/evo101/IIIDGeneticdrift.shtml
http://evolution.berkeley.edu/evosite/evo101/IIID2Genesdrift.shtml
http://evolution.berkeley.edu/evosite/evo101/IIID3Bottlenecks.shtml

Animal Diversity web: The Northern elephant Seal
http://animaldiversity.ummz.umich.edu/site/accounts/information/Mirounga_angustirostris.html

Think about: Why is the northern elephant seal population healthy and growing despite the effects of genetic drift?

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What impact can the founder effect can have on other processes of evolution (such as selection)?





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